Ahu DEMIRTAS, Saad Ahmed, Mert PEKCAN, Yasemin SALGIRLI, Ilksin PISKIN, Bahri EMRE, Nese TOPRAK, Hakan OZTURK. Effects of Cleavers (Galium aparine) and Yarrow (Achillea millefolium) Extracts on Rumen Microbial Fermentation in In-vitro Semi- Continuous Culture System (RUSITEC). Kafkas Univ Vet Fak Derg, 26 (3): 385-390, 2020. DOI: 10.9775/kvfd.2019.23283